/*  mbed Microcontroller Library
    Copyright (c) 2006-2013 ARM Limited

    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
    You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

    Unless required by applicable law or agreed to in writing, software
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
*/
#ifndef MBED_ASSERT_H
#define MBED_ASSERT_H

#ifdef __cplusplus
extern "C" {
#endif

/** Internal mbed assert function which is invoked when MBED_ASSERT macro failes.
    This function is active only if NDEBUG is not defined prior to including this
    assert header file.
    In case of MBED_ASSERT failing condition, error() is called with the assertation message.
    @param expr Expresion to be checked.
    @param file File where assertation failed.
    @param line Failing assertation line number.
*/
void mbed_assert_internal(const char* expr, const char* file, int line);

#ifdef __cplusplus
}
#endif

#ifdef NDEBUG
#define MBED_ASSERT(expr) ((void)0)

#else
#define MBED_ASSERT(expr)                                \
    do {                                                     \
        if (!(expr)) {                                       \
            mbed_assert_internal(#expr, __FILE__, __LINE__); \
        }                                                    \
    } while (0)
#endif

#endif
